[INFO] fetching crate wowza-rest-rust 0.2.1...
[INFO] checking wowza-rest-rust-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate wowza-rest-rust 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate wowza-rest-rust 0.2.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wowza-rest-rust 0.2.1
[INFO] finished tweaking crates.io crate wowza-rest-rust 0.2.1
[INFO] tweaked toml for crates.io crate wowza-rest-rust 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding crossbeam-channel v0.3.9 (latest: v0.5.12)
[INFO] [stderr]       Adding crossbeam-utils v0.6.6 (latest: v0.8.19)
[INFO] [stderr]       Adding http v0.1.21 (latest: v1.1.0)
[INFO] [stderr]       Adding isahc v0.7.6 (latest: v1.7.2)
[INFO] [stderr]       Adding itoa v0.4.8 (latest: v1.0.11)
[INFO] [stderr]       Adding sluice v0.4.2 (latest: v0.5.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded sluice v0.4.2
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded isahc v0.7.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da8618a91b32b5e2c0209596b304d24a25546207f234af9776f93951aee090c4
[INFO] running `Command { std: "docker" "start" "-a" "da8618a91b32b5e2c0209596b304d24a25546207f234af9776f93951aee090c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da8618a91b32b5e2c0209596b304d24a25546207f234af9776f93951aee090c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da8618a91b32b5e2c0209596b304d24a25546207f234af9776f93951aee090c4", kill_on_drop: false }`
[INFO] [stdout] da8618a91b32b5e2c0209596b304d24a25546207f234af9776f93951aee090c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8abc1c927dcb69090bc7af483b77c5c0c1d04e7c70b7951224d99f5ccd62c9f7
[INFO] running `Command { std: "docker" "start" "-a" "8abc1c927dcb69090bc7af483b77c5c0c1d04e7c70b7951224d99f5ccd62c9f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libz-sys v1.1.16
[INFO] [stderr]    Compiling curl-sys v0.4.72+curl-8.6.0
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking openssl-sys v0.9.102
[INFO] [stderr]    Compiling curl v0.4.46
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking sluice v0.4.2
[INFO] [stderr]     Checking wowza-rest-rust v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.60s
[INFO] running `Command { std: "docker" "inspect" "8abc1c927dcb69090bc7af483b77c5c0c1d04e7c70b7951224d99f5ccd62c9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8abc1c927dcb69090bc7af483b77c5c0c1d04e7c70b7951224d99f5ccd62c9f7", kill_on_drop: false }`
[INFO] [stdout] 8abc1c927dcb69090bc7af483b77c5c0c1d04e7c70b7951224d99f5ccd62c9f7
[INFO] checking wowza-rest-rust-0.2.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate wowza-rest-rust 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate wowza-rest-rust 0.2.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wowza-rest-rust 0.2.1
[INFO] finished tweaking crates.io crate wowza-rest-rust 0.2.1
[INFO] tweaked toml for crates.io crate wowza-rest-rust 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1949d73c1495be72fe3deb882fcce39dc1fb3b91a895f759d32347642b214388
[INFO] running `Command { std: "docker" "start" "-a" "1949d73c1495be72fe3deb882fcce39dc1fb3b91a895f759d32347642b214388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1949d73c1495be72fe3deb882fcce39dc1fb3b91a895f759d32347642b214388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1949d73c1495be72fe3deb882fcce39dc1fb3b91a895f759d32347642b214388", kill_on_drop: false }`
[INFO] [stdout] 1949d73c1495be72fe3deb882fcce39dc1fb3b91a895f759d32347642b214388
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 068e01c268023d67c97d5bf468fab20a5fbcff58a273f369c2be0e3b298e38a9
[INFO] running `Command { std: "docker" "start" "-a" "068e01c268023d67c97d5bf468fab20a5fbcff58a273f369c2be0e3b298e38a9", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling libz-sys v1.1.16
[INFO] [stderr]    Compiling curl-sys v0.4.72+curl-8.6.0
[INFO] [stderr]     Checking openssl-sys v0.9.102
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling curl v0.4.46
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking sluice v0.4.2
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking wowza-rest-rust v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.27s
[INFO] running `Command { std: "docker" "inspect" "068e01c268023d67c97d5bf468fab20a5fbcff58a273f369c2be0e3b298e38a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068e01c268023d67c97d5bf468fab20a5fbcff58a273f369c2be0e3b298e38a9", kill_on_drop: false }`
[INFO] [stdout] 068e01c268023d67c97d5bf468fab20a5fbcff58a273f369c2be0e3b298e38a9